找到图上某个文字

• 回答：

   void CTestOcxForVc6Dlg::FindText(CString sText)
      {
          MxDrawXLib::IMxDrawSelectionSetPtr ssGet;
          ssGet.CreateInstance(__uuidof( MxDrawXLib::MxDrawSelectionSet ));        if(ssGet == NULL)
          {            return;
          }
          ssGet->Select(MxDrawXLib::mcSelectionSetAll);        if(ssGet->GetCount() == 0)            return;        for(long i = 0; i < ssGet->GetCount();i++)
          {
              MxDrawXLib::IMxDrawEntityPtr spEnt =  ssGet->Item(i);            if(spEnt == NULL)                continue;
  
              CComPtr<IMxDrawText> spText;
              spEnt->QueryInterface(&spText);
  
              CComPtr<IMxDrawMText> spMText;
              spEnt->QueryInterface(&spMText);            if(spText != NULL)
              {                // 是一个文字.
  
                  CString sVal;
                  _bstr_t sBstr= spText->GetTextString();
  
                  sVal= CString(LPCTSTR(sBstr) );                if(sVal.Find(sText) != -1)
                  {                    // 找到要找的文字.
  
                      m_ocx.TwinkeEnt(spEnt->ObjectID);                    return;
                  }
              }            else if(spMText != NULL)
              {                // 是个多行文字.
                  CString sVal;
                  _bstr_t sBstr =  spMText->GetContents();
  
                  sVal= CString(LPCTSTR(sBstr) );                if(sVal.Find(sText) != -1)
                  {                    // 找到要找的文字.
  
                      m_ocx.TwinkeEnt(spEnt->ObjectID);                    return;
                  }
  
  
              }
  
          }
      }